67770949497 has 32 divisors (see below), whose sum is σ = 99028137600. Its totient is φ = 41034943488.

The previous prime is 67770949457. The next prime is 67770949513. The reversal of 67770949497 is 79494907776.

It is not a de Polignac number, because 67770949497 - 2²⁴ = 67754172281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67770949417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3048978 + ... + 3071124.

It is an arithmetic number, because the mean of its divisors is an integer number (3094629300).

Almost surely, 2^67770949497 is an apocalyptic number.

It is an amenable number.

67770949497 is a deficient number, since it is larger than the sum of its proper divisors (31257188103).

67770949497 is a wasteful number, since it uses less digits than its factorization.

67770949497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265.

The product of its (nonzero) digits is 168031584, while the sum is 69.

The spelling of 67770949497 in words is "sixty-seven billion, seven hundred seventy million, nine hundred forty-nine thousand, four hundred ninety-seven".